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Viewing changes to drizzled/thr_lock.h

  • Committer: Olaf van der Spek
  • Date: 2011-10-24 21:23:54 UTC
  • mto: This revision was merged to the branch mainline in revision 2449.
  • Revision ID: olafvdspek@gmail.com-20111024212354-j32gbc2sbsw0985q
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drizzled/thr_lock.h
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/* For use with thr_locks */
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#ifndef DRIZZLED_THR_LOCK_H
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#define DRIZZLED_THR_LOCK_H
 
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#pragma once
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/shared_mutex.hpp>
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#include <boost/thread/condition_variable.hpp>
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namespace drizzled
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{
 
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#include <drizzled/visibility.h>
 
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namespace drizzled {
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extern uint64_t max_write_lock_count;
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extern uint64_t table_lock_wait_timeout;
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struct THR_LOCK;
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struct THR_LOCK_DATA;
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struct THR_LOCK_DATA {
 
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struct DRIZZLED_API THR_LOCK_DATA {
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  THR_LOCK_OWNER *owner;
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  struct THR_LOCK_DATA *next,**prev;
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  struct THR_LOCK *lock;
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    read_no_write_count(0)
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  { }
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  ~THR_LOCK()
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  { }
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  void abort_locks();
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  bool abort_locks_for_thread(uint64_t thread);
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    mutex.unlock();
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  }
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  void init()
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  {
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  }
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  void deinit()
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  {
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  }
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  boost::mutex *native_handle()
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  {
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    return &mutex;
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  }
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};
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class Session; 
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#define thr_lock_owner_init(owner, info_arg) (owner)->info= (info_arg)
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void thr_lock_init(THR_LOCK *lock);
 
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DRIZZLED_API void thr_lock_init(THR_LOCK *lock);
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enum enum_thr_lock_result thr_multi_lock(Session &session, THR_LOCK_DATA **data,
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                                         uint32_t count, THR_LOCK_OWNER *owner);
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void thr_multi_unlock(THR_LOCK_DATA **data,uint32_t count);
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} /* namespace drizzled */
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#endif /* DRIZZLED_THR_LOCK_H */